Neurofibromatosis Type 1 Clinical Trial
Official title:
Pilot Study of the MEK1/2 Inhibitor Selumetinib (AZD6244 Hydrogen Sulfate) for Adults With Neurofibromatosis Type 1 (NF1) and Cutaneous Neurofibromas (cNF)
This is a small study of the oral MEK1/2 inhibitor, selumetinib, to evaluate the potential utility of selumetinib in individuals ≥ 18 years old with Neurofibromatosis 1 (NF1) and cutaneous neurofibromas (cNFs). The study aims to determine whether selumetinib will result in shrinkage of existing cutaneous neurofibromas and if it prevents or delays the development of new cutaneous neurofibromas.
This is a limited institution open label pilot study of the oral MEK1/2 inhibitor,
selumetinib, to evaluate the potential utility of selumetinib in up to 24 adults with NF1
and cutaneous neurofibromas. The study's primary objective is to determine whether
selumetinib results in shrinkage of existing cutaneous neurofibromas; the secondary
objective is to assess if selumetinib prevents or delays the development of new cutaneous
neurofibromas.
All subjects will commence treatment with selumetinib orally at 50 mg /dose approximately
every 12 hours (one cycle = 28 days). Patients will be able to escalate to 75mg every 12
hours [BID], if the medication is tolerated well for the first cycle, with no toxicities of
grade 2 or greater. Patients will undergo regular evaluation for selumetinib related
toxicities. In absence of treatment limiting toxicity, or progression of disease, patients
may remain on treatment for a maximum of 24 cycles unless they experience a volume decrease
in the target cutaneous neurofibromas, in which case treatment may continue for an
additional 12 cycles off trial.
For response evaluation, target cutaneous neurofibromas in 3 different body regions will be
measured using paper frames, calipers, and photography at baseline and then after every 4
cycles. Exploratory studies will also be performed during the trial to assess the effect of
selumetinib on skin related morbidity as well as cutaneous neurofibroma target inhibition,
tumor microenvironment, and pathology.
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